CVE-2020-9142: Huawei Emui

Critical severity, CVSS 9.1. EPSS: 0.7% chance of exploitation in the next 30 days.

There is a heap base buffer overflow vulnerability in some Huawei smartphone.Successful exploitation of this vulnerability can cause heap overflow and memory overwriting when the system incorrectly processes the update file.

Affected products

• Huawei Emui: version 9.1.0 only; version 9.1.1 only; version 10.0.0 only; version 10.1.0 only; version 10.1.1 only; version 11.0.0 only
• Huawei Magic UI: version 2.1.1 only; version 3.0.0 only; version 3.1.0 only; version 3.1.1 only; version 4.0.0 only

Published 2021-01-13. Last modified 2026-06-17.